Forge 1.7.10 - Crash #2

java.lang.NoClassDefFoundError: net/minecraft/world/World$2
	at net.minecraft.world.World.func_147460_e(World.java:690)
	at net.minecraft.world.World.func_147459_d(World.java:629)
	at com.wildex999.warpedspace.tiles.TileNetworkInterface.entryUpdated(TileNetworkInterface.java:218)
	at com.wildex999.warpedspace.tiles.TileNetworkInterface.onEntryUpdate(TileNetworkInterface.java:389)
	at com.wildex999.warpedspace.warpednetwork.WarpedNetwork.entryUpdate(WarpedNetwork.java:159)
	at com.wildex999.warpedspace.tiles.TileNetworkAgent.updateNeighborSide(TileNetworkAgent.java:211)
	at com.wildex999.warpedspace.tiles.TileNetworkAgent.updateNeighborTiles(TileNetworkAgent.java:150)
	at com.wildex999.warpedspace.tiles.TileNetworkAgent.onLoadComplete(TileNetworkAgent.java:387)
	at com.wildex999.warpedspace.TickHandler.onServerTick(TickHandler.java:36)
	at cpw.mods.fml.common.eventhandler.ASMEventHandler_10_TickHandler_onServerTick_ServerTickEvent.invoke(.dynamic)
	at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51)
	at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122)
	at cpw.mods.fml.common.FMLCommonHandler.onPreServerTick(FMLCommonHandler.java:260)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:536)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:111)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)